A young swordsman is sent to the city of Lo Yang to help his father's benefactor Inspector Chang from the four monsters-which are causing him a lot of grief. Four of the most violent martial artists in China.
In an attempt to seize the famous Tai Hsuan Book of Swords the outlaws Wang, Ku, Lu and Pai Feng attack the Hsia Tien Tsai Mansion and slaughter all righteous opponents. Only Hsia’s baby daughter survives and the dying mother leaves a message in blood to urge her to take revenge once she is grown up.
"She's out there somewhere, well and alive." Eiji (Teruhiko Saigo) and his sister hadn't seen their mother in almost 20 years. The war had separated them. When Eiji learns that his sister is engaged, he is determined to reunite with his mother and relay the wonderful news. With a pocket full of hopes and just one clue that may lead him to his mother, Eiji sets off for Taiwan.